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Phone Casio G'zOne Boulder Palm Treo 600 (CDMA) Sony Ericsson K850 BlackBerry 7750
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
? 2.2" diag.
4 : 3
?
Display Resolution & Type 240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
160 x 160 pixels
LCD (Color)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
Display Refresh ? ? ? ?
Battery 810 mAh ? ? ?
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel Yes 5 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? - ? -
Front Camera - - - -
Weight 4.9 oz
(139g)
6.2 oz
(176g)
4.2 oz
(119g)
5.01 oz
(142g)
Dimensions 3.9" x 2" x 0.9"
(99 x 51 x 22.9 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
Form Factor Clamshell Slab Slab Slab
Platform / OS (proprietary) Palm OS (proprietary) BlackBerry OS
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology EVDO rA 1xRTT HSDPA 3.6 1xRTT
Features 
Flashlight Yes - - -
GPS / Location Yes n/a - n/a
Ruggedized Yes - - -
Water-Resistant Yes - - -
Accessibility
Hearing Aid Compatible Yes - - -
Multiple Languages Yes n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display Yes - - -
Ringer Profiles - - Yes Yes
Connectivity
Bluetooth Yes - Yes -
Infrared (IR) - Yes - -
USB Yes Yes Yes Yes
Contacts
Picture ID Yes n/a Yes n/a
Ringer ID Yes n/a Yes n/a
Voice Dialing Yes n/a Yes n/a
Customization
Changeable Body Plates Yes - - -
Custom Graphics Yes n/a Yes n/a
Custom Ringtones Yes n/a Yes n/a
Real-Music Ringers - n/a Yes n/a
Data & Network
Data Tethering Yes n/a Yes n/a
WAP / Web Browser Yes n/a Yes n/a
Input
Predictive Text Entry Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - Yes
Touch Screen - Yes - -
Memory
Memory Card Slot Yes Yes Yes -
Messaging
Email Client - n/a Yes n/a
EMS / Picture Messaging Yes n/a - n/a
MMS Yes n/a Yes n/a
Text Messaging Templates Yes n/a Yes n/a
Music
FM Radio - - Yes -
Music Player Yes n/a Yes n/a
Photo & Video
Video Calling - n/a Yes * n/a
Productivity
Alarm Yes n/a Yes n/a
Calculator Yes n/a Yes n/a
Calendar Yes n/a Yes n/a
To-Do List - n/a Yes n/a
Voice Memo Yes n/a Yes n/a
Software
BREW Yes n/a - n/a
Games Yes n/a Yes n/a
Java (J2ME) - n/a Yes n/a
Voice
Headset Jack (2.5 mm) - n/a - n/a
Push-To-Talk Yes - - -
Speaker Phone Yes Yes Yes -
  * Some versions only
  Casio G'zOne Boulder Palm Treo 600 (CDMA) Sony Ericsson K850 BlackBerry 7750
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Casio G'zOne Boulder Palm Treo 600 (CDMA) Sony Ericsson K850 BlackBerry 7750

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